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<meta charset="utf-8">
<head>
  <title>Test MediaStreamAudioSourceNode doesn't get data from cross-origin media resources</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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<body>
<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();

var audio = new Audio("http://example.org:80/tests/dom/media/webaudio/test/small-shot.ogg");
var context = new AudioContext();
var node = context.createMediaStreamSource(audio.mozCaptureStreamUntilEnded());
var sp = context.createScriptProcessor(2048, 1);
node.connect(sp);
var nonzeroSampleCount = 0;
var complete = false;
var iterationCount = 0;

// This test ensures we receive at least expectedSampleCount nonzero samples
function processSamples(e) {
  if (complete) {
    return;
  }

  if (iterationCount == 0) {
    // Don't start playing the audio until the AudioContext stuff is connected
    // and running.
    audio.play();
  }
  ++iterationCount;

  var buf = e.inputBuffer.getChannelData(0);
  var nonzeroSamplesThisBuffer = 0;
  for (var i = 0; i < buf.length; ++i) {
    if (buf[i] != 0) {
      ++nonzeroSamplesThisBuffer;
    }
  }
  is(nonzeroSamplesThisBuffer, 0,
     "Checking all samples are zero");
  if (iterationCount >= 20) {
    SimpleTest.finish();
    complete = true;
  }
}

audio.oncanplaythrough = function() {
  sp.onaudioprocess = processSamples;
};
</script>
</pre>
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